Added LibPatchPcdSetPtr.

Cleaup Pcd Database code generation routine.
Fixed a few bugs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@745 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 58 insertions, 6 deletions

diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.c b/MdePkg/Library/DxePcdLib/DxePcdLib.c
index b746614d5b..f0b0cbd8f6 100644
--- a/MdePkg/Library/DxePcdLib/DxePcdLib.c
+++ b/MdePkg/Library/DxePcdLib/DxePcdLib.c
@@ -923,3 +923,52 @@ LibPcdGetNextTokenSpace (
   return (GUID *) Guid;

 }

 

+

+/**

+  Sets the PCD entry specified by PatchVariable to the value specified by Buffer 

+  and SizeOfValue.  Buffer is returned.  If SizeOfValue is greater than 

+  MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return 

+  NULL to indicate that the set operation was not actually performed.  

+  If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to 

+  MaximumDatumSize and NULL must be returned.

+  

+  If PatchVariable is NULL, then ASSERT().

+  If SizeOfValue is NULL, then ASSERT().

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

+

+  @param[in] PatchVariable      A pointer to the global variable in a module that is 

+                                the target of the set operation.

+  @param[in] MaximumDatumSize   The maximum size allowed for the PCD entry specified by PatchVariable.

+  @param[in, out] SizeOfBuffer  A pointer to the size, in bytes, of Buffer.

+  @param[in] Buffer             A pointer to the buffer to used to set the target variable.

+

+**/

+VOID *

+EFIAPI

+LibPatchPcdSetPtr (

+  IN        VOID        *PatchVariable,

+  IN        UINTN       MaximumDatumSize,

+  IN OUT    UINTN       *SizeOfBuffer,

+  IN CONST  VOID        *Buffer

+  )

+{

+  ASSERT (PatchVariable != NULL);

+  ASSERT (SizeOfBuffer  != NULL);

+  

+  if (*SizeOfBuffer > 0) {

+    ASSERT (Buffer != NULL);

+  }

+

+  if ((*SizeOfBuffer > MaximumDatumSize) ||

+      (*SizeOfBuffer == MAX_ADDRESS)) {

+    *SizeOfBuffer = MaximumDatumSize;

+    return NULL;

+  }

+    

+  CopyMem (PatchVariable, Buffer, *SizeOfBuffer);

+  

+  return (VOID *) Buffer;

+}

+

+

+

diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.msa b/MdePkg/Library/DxePcdLib/DxePcdLib.msa
index c250fbeb3a..c50ac45220 100644
--- a/MdePkg/Library/DxePcdLib/DxePcdLib.msa
+++ b/MdePkg/Library/DxePcdLib/DxePcdLib.msa
@@ -8,11 +8,11 @@
     <Abstract>IO Library implemented with Framework CPU IO Protocol</Abstract>

     <Description>FIX ME!</Description>

     <Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>

-    <License>All rights reserved. This program and the accompanying materials
-      are licensed and made available under the terms and conditions of the BSD License
-      which accompanies this distribution.  The full text of the license may be found at
-      http://opensource.org/licenses/bsd-license.php
-      THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+    <License>All rights reserved. This program and the accompanying materials

+      are licensed and made available under the terms and conditions of the BSD License

+      which accompanies this distribution.  The full text of the license may be found at

+      http://opensource.org/licenses/bsd-license.php

+      THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

       WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>

     <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION   0x00000052</Specification>

   </MsaHeader>

@@ -31,6 +31,9 @@
     <LibraryClass Usage="ALWAYS_CONSUMED">

       <Keyword>UefiBootServicesTableLib</Keyword>

     </LibraryClass>

+    <LibraryClass Usage="ALWAYS_CONSUMED">

+      <Keyword>BaseMemoryLib</Keyword>

+    </LibraryClass>

   </LibraryClassDefinitions>

   <SourceFiles>

     <Filename>DxePcdLib.c</Filename>

@@ -50,4 +53,4 @@
       <Constructor>PcdLibConstructor</Constructor>

     </Extern>

   </Externs>

-</ModuleSurfaceArea>
\ No newline at end of file
+</ModuleSurfaceArea>